Home / 21,451.52-32,176.80-5,868.96

Finding the Fourth Proportional to 21,451.52, 32,176.80 and 5,868.96

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Solution

The fourth proportional to 21,451.52, 32,176.80 and 5,868.96 is: 8,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.52 : 32,176.80 = 5,868.96 : x
  2. Step 2: Convert to fraction form
    21,451.52/32,176.80 = 5,868.96/x
  3. Step 3: Cross multiply
    21,451.52x = 32,176.80 × 5,868.96
  4. Step 4: Simplify right side
    21,451.52x = 188,844,352.13
  5. Step 5: Solve for x
    x = 188,844,352.13/21,451.52
  6. Step 6: Final answer
    x = 8,803.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.